Gas Water Heater Efficiency Ratings

Going with the noritz nr662 od ng tankless water heater means that you have a thermal efficiency of 84 and energy factor 0 81.

Gas water heater efficiency ratings.

Check our gas and electric water heater ratings for more. An older measure of water heater overall efficiency that is being phased out due to new test methods for water heaters. Exploring water heater options by fuel type. Today it is headquartered in ashland city tenn.

Buying a water heater. Smith produced its first water heater in 1939. Fuel type and its availability in your area may narrow your water heater choices. And manufactures gas electric hybrid and tankless water heaters.

Efficiency standards for gas and electric water heaters are different but both use the uniform energy factor uef ratings system where higher scoring units produce more hot water while using less energy. To help consumers in their water heater purchase decisions the department of energy has developed new industry standards. The higher the ef value is the more efficient the water heater. Read 534 reviews a.

Not only does this water heater have a gas rate input of 15 200 to 199 000 btus. As the result of recently updated efficiency standards water heaters under 55 gallons now have a 4 percent boost in efficiency while. Ef is determined by the department of energy s test method outlined in the 10 cfr parts 200 to 499 edition revised as of january 1 2014. Top 10 best gas water heater in 2020 ultimate reviews and buying guide august 25 2019 june 21 2020 by brent collins based on a number of water heating options available the use of gas powered water heaters is among the popular ones.

But also comes with a 12 year warranty for the heat exchanger 5 year parts warranty and a year warranty for labor making this perhaps the best residential water heater on the planet. The following is a list of water heater options by fuel or energy source.